Changed the constraints for hiding the top controls

chrome/android/java/src/org/chromium/chrome/browser/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
index 9eda71ef9d393387f6d070acdc665576e6525c13..367e9f6f0b4f77753703ef8f76de51e29b24d0d8 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
@@ -196,7 +196,6 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
 
     private boolean mIsClosing;
     private boolean mIsShowingErrorPage;
-    private boolean mIsImeShowing;
 
     private Bitmap mFavicon;
 
@@ -521,9 +520,8 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
         }
 
         @Override
-        public void onImeStateChangeRequested(boolean requestShow) {
+        public void onFocusedNodeEditabilityChanged(boolean editable) {
             if (getFullscreenManager() == null) return;
-            mIsImeShowing = requestShow;
             updateFullscreenEnabledState();
         }
     }
@@ -1326,7 +1324,6 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
             mFullscreenHungRendererToken = FullscreenManager.INVALID_TOKEN;
             mPreviousFullscreenOverdrawBottomHeight = Float.NaN;
         }
-        mIsImeShowing = false;
 
         hideInternal();
 
@@ -2490,7 +2487,7 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
 
         enableHidingTopControls &=
                 !AccessibilityUtil.isAccessibilityEnabled(getApplicationContext());
-        enableHidingTopControls &= !mIsImeShowing;
+        enableHidingTopControls &= !mContentViewCore.isFocusedNodeEditable();
         enableHidingTopControls &= !mIsShowingErrorPage;
         enableHidingTopControls &= !webContents.isShowingInterstitialPage();
         enableHidingTopControls &= (mFullscreenManager != null);